<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>

</body>
<script>
	async function my(){
		const num = await 200;
		console.log(1);
		return num;
	}
	async function fn(){
		const a = await my();
		console.log(a);// 100
	}
	fn();
	console.log("over");
</script>
</html>